Use canvas to create an online canvas and canvas to make an online canvas

Source: Internet
Author: User

Use canvas to create an online canvas and canvas to make an online canvas

The powerful functions of canvas plotting allow people to study it. A total of less than a hundred lines of code are added. <Input type = "color"/> and <input type = "range"/>

Make the page more concise.

This article uses only three events of the mouse, onmousedown onmousemove onmouseup, to easily create a web canvas.

Code:

1 <! DOCTYPE html> 2 

What we look like

 

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